Semiconductor Data - Kenwood TKR-740 Service Manual

TKR-740
Pin No. Port name I/ O
36 TOV O Take over control output
37 SPS O Local speaker output select
38 RAS O RA output select
39 TOS O TO output select
40 HSDS O High speed data output control
41 HM T O High speed data mute control
42 INC - Not used
43 M DS O M odulation select
44 M IS O M ic select
45~50 IAD15~10 I/O DSP IDM A address/data bus
51~59 IAD9~1 I/O DSP IDM A address/data bus
60 Vcc - +5V
61 IAD0 I/O DSP IDM A address/data bus
62 Vss - GND
63~70 A7~0 I Address bus
71 D7 I/O Data bus
72~78 D6~0 I/O Data bus
79 M UTE O Local speaker mute control output
80~86 I/O7~1 I/O Auxiliary input/output 7~1
87~90 AN7~4 - Not used
91 EVR O RX D/A converter IC data strobe output
92 ESR O RX shift register data strobe output
93 AN1 - Not used
94 Avss - Not used
95 AN0 - Not used
96 Vref - Not used
97 Avcc - Not used
98 EVC O Control D/A converter IC data strobe output
99 ESC O Control shift register data strobe output
100 OEC O Control shift register data output enable
DSP : ADSP2185BST133 (CONTROL UNIT IC30)
■ Pin function
Pin No. Port name I/ O
1,2 IAD3,4 I/O Internal DM A port / Sub CPU
3 GND - GND
4~11 IAD5~12 I/O Internal DM A port / Sub CPU
12 GND - GND
13 CLKIN I Clock input / 16.515072M Hz
14 XTAL I Clock input / 16.515072M Hz
15 Vdd - Vdd
16 CLKOUT O DSP clock output / 33.030144M Hz
17 GND - GND
18 Vdd - Vdd
19 WR O M emory Write Enable / NC
20 RD O M emory Write Enable / NC
21 BM S O Byte memory select / pull up
22 DM S O Data memory select / NC
23 PM S O Program memory select/NC
24 IOM S O M emory select/NC
25 CM S O Combined memory select / NC
26 PF4 O Prog. I/O / CODEC reset
27 PF5 I Prog. I/O / Main CPU / Mic mute,0:OFF / 1:ON
28 GND - GND
44

SEMICONDUCTOR DATA

Function
Function
Pin No. Port name I/ O
29 PF6 I Prog. I/O / Main CPU / TX / Rxcontrol,0:TX / 1:RX
30 IRQ2 I Interrupt Req./pull up
31 DTO I/O SPORT0 / CODEC / CODEC Data
32 TFS0 I/O SPORT0 / CODEC,Devider / CODEC Data
33 RFS0 I/O SPORT0 / CODEC,Devider / CODEC Data
34 DRO I/O SPORT0 / CODEC / CODEC Data
35 SCLKO I/O SPORT0 / CODEC,Devider / CODEC Data
36 Vdd - Vdd
37 DT1 I/O SPORT1 / CODEC
38 TFS1 I/O SPORT1 / CODEC,Devider
39 RSF1 I/O SPORT1 / CODEC,Devider
40 DR1 I/O SPORT1 / CODEC
41 GND - GND
42 SCLK1 I/O SPORT1 / CODEC,Devider
43 ERESET - Emulation / ICE conector
44 RESET I Reset IN/Reset IC,ICE conector/DSP reset
45 EM S - Emulation / ICE conector
46 EE - Emulation / ICE conector
47 ECLK - Emulation / ICE conector
48 ELOUT - Emulation / ICE conector
49 ELIN - Emulation / ICE conector
50 EINT - Emulation / ICE conector
51 EBR Emulation / ICE conector
52 BR I Bus request / pull up,ICE conector
53 EBG Emulation / ICE conector
54 BG O Bus request / ICE conector
55~57 IAD13~15 I/O Internal DM A port / Sub CPU
58 IACK O IDM A Acknow lege / M ain CPU
59 Vdd - Vdd
60 GND - GND
61 IS I IDM A Select / pull up, M ain CPU
62 IAL I IDM A Address Latch / pull up, M ain CPU
63 IRD I IDM A Read Enable / pull up, M ain CPU
64 IWR I IDM A Write Enable / pull up, M ain CPU
65 D8 I/O Data I/O / NC
66 GND - GND
67 Vdd - Vdd
68~70 D9~11 I/O Data I/O / NC
71 GND GND
72~79 D12~19 I/O Data I/O / NC
80 GND - GND
81~84 D20~23 I/O Data I/O / NC
85 FL2 O Output Frag / CODEC M C terminal
86 FL1 O Output Frag / CODEC M D terminal
87 FL0 O Output Frag / CODEC M L terminal
88 PF3 I Prog. I/O / Main CPU / RX mute 0:OFF / 1:ON
89 PF2 I M ode Select / pull up / HOST mode select
90 Vdd - Vdd
91 PWD I Pow er Control/VDD
92 GND - GND
93 PF1 I Mode Select / pull down / HOST mode select
94 PF0 I M ode Select / pull up / HOST mode select
95 BGH O Bus Grant Hung / NC
96 PWDACK O Pow er Control / NC
97 A0 O Address / NC
98~100 IAD0~2 I/O Internal DM A port / Sub CPU
Function